The quality of the subtraction image was improved and computation time was reduced by selecting edge pixels as triangular control points.
通过计算图像梯度信息，选取边缘区域像素作为控制点，既改善减影图像质量，又提高运算速度。
The set of edge pixels detected by this algorithm is a useful cue for object's boundary, so it can be taken as an important feature for the human detection system.
该算法检测到的边缘可以反映物体的轮廓信息，因此可以通过边缘组织高效地检测图像中的人体目标。
The method uses a logical judgment algorithm to get edge candidate images, and then edge pixels and their neighbor pixels compose the binary samples of the BP neural network.
该方法首先基于邻域灰度极值提取边界候选图像，然后以边界候选象素及其邻域象素的二值模式作为样本集，输入边缘检测神经网络进行训练。
The improved method is designed to extract the color of playing surface on the table automatically, and we filter the noise edge pixels by smoothing and iterated curve fitting.
改进算法增加了背景主颜色的自动提取，并通过平滑和循环曲线拟合的方法剔除噪音点，保留真正的边缘点。
An evaluation method of CCD is proposed by calculating edge pixels and analyzing image segmentation quality of particular regions.
通过统计特定区域的边界点和分析图像分割的效果，提出了一种评价CCD相关误差的方法。
The visibility of the paths was determined by pixel similarity, neighboring difference and the direction of the edges synthetically, which made the ants move along the real edge pixels.
综合考虑了像素间相似性、邻域差和边缘走向三个因素来确定启发式引导函数，使蚂蚁沿着真正的边缘行走。
The visibility of the paths was determined by pixel similarity, neighboring difference and the direction of the edges synthetically, which made the ants move along the real edge pixels.
综合考虑了像素间相似性、邻域差和边缘走向三个因素来确定启发式引导函数，使蚂蚁沿着真正的边缘行走。
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